Base | Representation |
---|---|
bin | 10000101000111110… |
… | …01001011101110001 |
3 | 212001121020010220002 |
4 | 20110133021131301 |
5 | 121244003103040 |
6 | 4034250555345 |
7 | 434245502516 |
oct | 102437113561 |
9 | 25047203802 |
10 | 8933644145 |
11 | 387489a088 |
12 | 1893a38b55 |
13 | ac4ab938a |
14 | 60a6a130d |
15 | 374470a15 |
hex | 2147c9771 |
8933644145 has 8 divisors (see below), whose sum is σ = 10948466304. Its totient is φ = 6994853104.
The previous prime is 8933644141. The next prime is 8933644169. The reversal of 8933644145 is 5414463398.
8933644145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 8933644145 - 22 = 8933644141 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (47).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 8933644145.
It is not an unprimeable number, because it can be changed into a prime (8933644141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19007519 + ... + 19007988.
It is an arithmetic number, because the mean of its divisors is an integer number (1368558288).
Almost surely, 28933644145 is an apocalyptic number.
It is an amenable number.
8933644145 is a deficient number, since it is larger than the sum of its proper divisors (2014822159).
8933644145 is a wasteful number, since it uses less digits than its factorization.
8933644145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38015559.
The product of its digits is 1244160, while the sum is 47.
The square root of 8933644145 is about 94517.9567330991. The cubic root of 8933644145 is about 2074.9591433384.
The spelling of 8933644145 in words is "eight billion, nine hundred thirty-three million, six hundred forty-four thousand, one hundred forty-five".
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